OpenTechnical

OT-2026-000042558

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042558) never changes.

Identity and time

Publication numberOT-2026-000042558 · never reused
Internal UUID01a0ae7a-c0cd-772b-82c0-3fceb1a19ed0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042558
StatusPUBLIC

Content hashes

Canonical textaa9499ef44dc6d121c95bf47f3ef791ae9ba34eb430c737c8beba454ebe5137f
Markdown4fbd0feed7119ecc2320421a959f1b0a40b24b1c2854c1efba719642d1d5796d
PDF
Publication page54a227a1354a481b3cecc9b156f5f006bd75ce88c6c8de5202dc05a53e1673c0
Manifest1d52f7b0c35a77867bf64734b8cd2a01e44d57bebbff69bc2f043985817c0e36

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetsfS3WPTW94A3DA+AC0G9Eraq/g9QhqcttgHx2yCAGqgPImDqDDHUq1oQHx78dwaHsw7eJA679aXfVS91mJ3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:16.061928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042558
observed 54a227a1354a481b3cecc9b156f5f006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.042678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042558/manifest.json
observed 1d52f7b0c35a77867bf64734b8cd2a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.026751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042558/publication.md
observed 4fbd0feed7119ecc2320421a959f1b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.007471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042558/publication.txt
observed aa9499ef44dc6d121c95bf47f3ef791a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.